Hey all!
This is my very first post here at Websleuths although I have been reading everyone's posts throughout this entire case. This case is especially close to my heart and I feel so distraught that Heather is still yet to be found. Her poor family deserves closure and I wish one of the Ms would just go ahead and spill the beans on where she is. That being said I just wanted to give my theory on what happened that night. Forgive me if my theory has already been given because I've read a LOT of these 30 threads but not ALL. This is JMO....
I think the Ms were driving around town that night looking for trouble, doing explicit things in public (two different places we KNOW of) and TM had the idea for SM to call HE. She probably already had the idea in her head for HE to be lured to PTL when the 1:35 pay phone call took place. But HE had just gotten back from her date, she was tired and something in the Ms plan went awry. She called BW and then after almost an hour of thinking she made the horrible mistake of calling him back. That's when the Ms got their second chance and SM told her to meet them at PTL. With their plan back into place they waited until she got there and then left their house and drove to PTL. I believe TM was lying in wait in the backseat and when HE climbed into the vehicle they subdued her. I'm still not convinced the murder took place in the Ms vehicle, this is where I get thrown off. HE's car was found locked and her purse and phone were missing. All this happened in 6 minutes, not to mention it takes a minute each way (give or take) to get to the first camera from PTL. That is a very short amount of time for two people to commit murder, especially because (as far as we know) the Ms have never committed a murder before. SO I think they must have subdued her and either committed the murder in the truck or somewhere farther away maybe 30 miles or so from PTL and their home. I don't believe they went back to their house until everything was finished and disposed of.
That is what I believe happened. JMO.
I pray everyday Heather will be returned to her family.